I shoot 10 round groups you can cover with a dime,
And it's ALL once fired brass, mostly military...
I do go an extra step or two when preparing the cases,
It's pretty much a 'Must' with military brass...
1. Knock the primers out, a 'Universal' depriming tool does it nicely.
Military brass has a 'Crimped' or 'Staked' in primer
(So the primer doesn't fall out during brutal machine guy cycling)
Getting the primer out can overwhelm some resize/deprime in one stroke dies.
'Universal' depriming dies don't contact the outside of the case,
So there are no issues with the range dirt/carbon scratching the dies.
2. Clean the brass THROUGHLY,
You will find military 'Ball' powder is VERY dirty and hard to remove scorch marks.
As long as it takes, with as strong a cleaner as it takes.
Military (or civilian) cases might take a LONG time to clean up, but they will clean/polish.
3. Remove Primer Crimp.
Cut crimp lip or swage it down,
This is a process you do ONCE the entire time you use the case.
Once that primer crimp is gone, you don't have to do it again since civilian loaders don't crimp primers (normally).
This is also a good time to check that primer pocket depth.
Not all manufactures have the same depth primer pockets and that makes for some funky primer seating.
If the primer pocket is off specification for civilian hand loads, I discard it,
Or I load a batch of the 'Off Spec' pockets on their own, Provided the civilian primers available won't protrude from the pockets.
Too shallow is more common that too deep...
4. While inspecting/trimming primer crimps
(if the cases have primer crimps),
I also inspect the extraction lip/groove to make sure something didn't damage the lip beyond use.
This concludes the bottom of the case issues...
5. Lube and Resize!
Full length case resize if you are using the brass from a different rifle,
OR,
If you intend your ammo to fit into more than one rifle.
Full length resizing pushes the case walls, shoulders, necks back down to proper size, just like they were supposed to be from the 'Factory'...
USE A PROPER CASE GAUGE TO GET YOUR SIZING DIE AT THE CORRECT HEIGHT OFF THE RAM/SHELL PLATE!
This is something you don't want to 'Guess' at or the case will be under/oversize...
Once you get the first few cases coming out of the resize die correctly,
Lock the die down and run the rest of your cases,
Checking occasionally to see the die hasn't moved...
6. When they come out of the resizing die, this is a very good time to check case necks,
The neck expanding ball just expanded the neck back to proper reload size,
So have a look for cracks,
Look for shoulder 'Dents' from too much lube on the necks,
Uneven case mouths, ect.
7. Stick them in the case gauge again, and see if the need trimmed for length.
Case gauges will have a lower 'Step', and an upper 'Step',
This is the 'Too Short' and 'Too Long' respectively.
It's a 'Go/NoGo' gauge, if the case mouth comes up between the lower and upper steps on the gauge,
You are good to load the case as is.
If it sticks out of the gauge past the upper step,
Trim it.
Just a tip here, the first TWO times you fire a case it will stretch the most...
Fire it twice, then cut to MINIMUM,
The case neck will usually split before you need to trim it again.
(unless you anneal cases, which is an entire other process that sucks to do, heat the case, let it cool so it softens up...)
I usually get between 5 & 8 loadings before the neck cracks, and I crimp every round pretty hard which work hardens the mouth even further...
Some guys that don't crimp get more loading than I do.
8. Now, this is personal preference...
I usually tumble the cases again.
The working, case lube, finger prints, ect. all take a toll on your shine/polish.
Clean them up again before you load, and wear gloves and the cases won't tarnish/corrode nearly as quickly.
9. LOAD UP YOUR CASES!
If you have an auto indexing progressive press, or a manual progressive press,
Consider getting a second, OLDER sizing die.
A little emery cloth on the inside, and sizing ball on the deprime rod to OVER size the die (So it doesn't contact your shiny new case and you don't have to lube it again),
The under size ball, with the deprime rod still in the threaded rod end,
Will knock any tumbler media out of the primer flash hole,
While neither case or neck inside get 'Resized' again.
Depending on design, when a case goes in progressive presses it's sometimes a pain to get out, this is just a step that lets you do 'Production' without taking the case out of the shell plate...
Primer hole clean,
Punch a primer into the pocket, dump some powder in,
Press the bullet into the case mouth,
Crimp if you use a crimp,
Use a CALIPER while you are setting up the bullet seater die and/or crimper to get your desired COAL (CARTRIDGE Over All Length)
And throw it back in the case gauge again one more time to see if the shoulder buckled.
If the loaded round slides in and out of the case gauge completely and smoothly, it will fit any standard chamber again...
Now, this is one of only TWO times I run each and every round through the case gauge...
When I'm checking lenght, which after they have been fired twice and cut to minimum, I test SOME of each batch to see if they grew unnaturally,
But each and every round I produce gets the case gauge.
If the final product fits in the case gauge, it will fit ANY standard chamber,
And a case gauge will find buckled shoulders from too aggressive a crimp, being off center in the powder die, missing resizing, ect.
It's a 'Last Word' test before you start firing your new rounds...
THE LAST STEP,
HAVE FUN!
GET SOME LEAD DOWN RANGE!
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I work in steps here,
Once cases have been inspected for primer crimp and crimp removed if necessary,
And they have been fired the second time, Then trimmed,
They come back, hit the tumbler, the standard resizing die knocks the primers out since I know there isn't a crimp anymore,
Just clean, resize, reload, case gauge and I'm ready to shoot again...
After they have been reloaded a few times, the necks will split or the primer pockets will oversize.
If I drop a primer before they hit the reloader, I know the primer pocket is oversize and I toss it.
Inspecting case necks, usually when they are getting the bullet, I just take that case out of rotation, dump the powder back in the thrower, and scrap the case.
I shoot them until they fail...
A lot of people will tell you a Reloaded case (not new) won't be as accurate.
I just took my new hand load to the range today,
Shot a 10 shot group at 100 yards you can cover with a dime, and NONE of the cases were new...
Or trimmed past the second firing...
And that was with a re-chambered military 20" barrel that was tossed out by the military for 'Throat Erosion'.
Scrapped barrel and old cases shooting 3/4 MOA all day long...
$50 US for the chamber reamer which I use several times,
About $10 a use,
And 7¢ for the cases that I use average of 7 times before they fail without annealing...
About 1¢ per use,
Bullets $179/1,000. 17.9¢ a piece, Hornady 55 gr V-Max.
Happy shooting!